---
title: Scalar
framework: spatial
role: symbol
role_heading: Associated Type
path: spatial/spatialtypeprotocol/scalar
---

# Scalar

## Declaration

```swift
associatedtype Scalar : Numeric where Self.Scalar == Self.AffineTransform.Scalar, Self.AffineTransform.Scalar == Self.Point.Scalar, Self.Point.Scalar == Self.Pose.Scalar, Self.Pose.Scalar == Self.ProjectiveTransform.Scalar, Self.ProjectiveTransform.Scalar == Self.Rect.Scalar, Self.Rect.Scalar == Self.Rotation.Scalar, Self.Rotation.Scalar == Self.Size.Scalar, Self.Size.Scalar == Self.Vector.Scalar
```